Question about Coleman Propane Forced Air Heater w/Electronic Ignition (50,000-80,000 BTU)

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Putting together pipes for natural gas to go through

My friend put pipes together using a vasaline like sealant for the black pipes. The pressure did not hold. The pipes have to be taken apart again. WHAT IS THE BEST WAY TO SEAL OFF BLACK PIPE SO IT WILL NOT LEAK? Natural gas has not been put in yet. It has to hold atleast 10 lbs of pressure before the gas company will put it in. Thank you for all your advice....

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If you want to make sure it doesnt leak use permatex black tar like pipe dope.you should not need this if threads are cut right and you are tightening to proper point

Posted on Feb 26, 2009

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How long is a 1" black pipe with 30 psi supposed to hold pressure without dropping. It lost 6psi in 22 hours. For a NG installation.


Unless your using that black pipe for an air line, 30 psi is too much. Most gas pressures are around 14"wc, which is about 1/2 psi, or less. I would just let it out to 15psi for 15mins. If it holds and NO pressure loss is found. Your good to go.

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A friend gave me one kitchenaid dryer , i don't understand. canI use eletric power and propane, or only propane. I don't have the propane pipes conections, can you please help me understand it?


Your propane dryer only dries with propanr. The electrical cord is for the motor that turns the dryer and for the controls. If you don't have gas piped into your house then your gas dryer is useless. Either get an electric dryer or pipe gas into the house. If you have Natural gas in your home, then you need to get a conversion kit to make your dryer run on Natural gas.

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My car is hard to crank after putting gas in it. i tried putting gas in it while the car was runnin but black smoke comes out the tail pipe


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My heater will not ingnite and stay lit for me then 2 seconds, if i hold my hand over the fan it will ignite then the flame will go out immediately and the service light turns on


This could be gas flow problem, you need to check your gas meter to be sure it is the right size for the heater. Older heaters would work with lower pressure than nessary. (often causing sooting on the heater) The new ones needs all the gas they need or they wont run. If not this than it could be a pressure sensor on the vent pipe or the vacume pressure sensor.
By putting your hand over the vent you can effect all these things.
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The top burners won't light after converting from lp to natural gas


Natural Gas needs more O2 than Propane per volume to fully oxidize(burn). Essentially all you need to do is enlarge the air intake holes. 15% increase in diameter of the holes is a good starting point. That equates to 25% increase in volume. You can also buy a conversion kit. Please use the pipe thread sealant and follow the instructions carefully.

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IAM TRYING TO REMOVE A RAYBURN 80 FIRE


Assuming you are using natural gas to light the fire in your fireplace, is the pipe black iron gas pipe, regular galvanized pipe, or copper?

Is there a cut-off valve probably located just before the chimney, that is in-line with the pipe?

You do understand there is no fire in the pipe, but gas, right?

Removing natural gas pipes that are not properly isolated from the rest of the gas pipes is not a task for someone with no experience in this area.

Sometimes the gas must be shut off at the main, and then all your pilots will go out inside the house, in your range, hot water heater, etc, assuming they run on natural gas.

The excess gas in the pipe must be bled to the atmosphere if the main must be shut off, and then the proper pressure must be established prior to lighting pilots and/or appliances.

I highly recommend that you call a service man from a gas company to come out and do this for you. He will have the proper equipment and gauges if they are needed.

Sirwriter

Apr 11, 2009 | Plumbing

1 Answer

Plumbing, gas pipes leaking


What you are doing is very hard to do without adding a union to the piping. There really isn't anything more you can do than what you already are doing. But if you have bubbled each joint and can't find anymore leaks then move to your valves. Also, flex lines have a tendency to leak as well. Like the ones that go to your water heater, stove/oven, furnace and small gas appliances. Check for the old style valves that don't meet code anymore like the valves with a bolt all the way through the valve. You will want to change them out to a ball valve. I hope this answers your question.

Apr 04, 2009 | Plumbing

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